PRVIEW FOR LATER: Colleague Bob Zimmerman explains the discovery of two exoplanets colliding near a sun-like star. Astronomers observed star variability for 200 days, concluding that debris came from a massive planetary impact. (6)

Season 8 Episode 576  ·  Mar 13, 08:37 PM
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PRVIEW FOR LATER: Colleague Bob Zimmerman explains the discovery of two exoplanets colliding near a sun-like star. Astronomers observed star variability for 200 days, concluding that debris came from a massive planetary impact. (6)
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PRVIEW FOR LATER: Henry Sokolski from the Non-proliferation Policy Education Center evaluates threats to nuclear plants in Iran and Israel. Striking these facilities could cause radiological releases requiring massive civilian evacuations. (5)
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